Apeiron can refer to:

• Apeiron (cosmology), a cosmological theory created by Anaximander in the 6th century BC.
• Apeiron (computer game), a Macintosh computer game from Ambrosia Software.
• Apeiron (journal), a scientific journal and publisher of books on studies in infinite nature.
• Apeiron (company), a Russian developer of computer and video games.

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